Twisted Ferrite Core Rope Memory from Mexico
Twisted wire rope memory using ferrite cores threaded through fired ceramic bobbins for aerospace technical applications. The fired ceramic bobbins are essential for insulation and structural integrity, qualifying under 6909.19.90 as other ceramic wares for technical uses.
Duty Rate — Mexico → Canada
4.5%
Import Tips
• Confirm the ceramic bobbins are fired at high temperatures and not just cured, per Chapter 69 note 1(b)
• Provide technical specifications showing the aerospace application to support classification
• Check if the product contains any electronic components that might require additional classification